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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.client.dsl;
/**
* Helper class for generating group syntax
* https://docs.vespa.ai/en/reference/grouping-syntax.html
*
* basically the syntax is exactly the same as Vespa group syntax.
* The only exception "max" in the Vespa group syntax which represents 'max returned documents',
* is replaced by "maxRtn" in the dsl lib.
*/
public class G {
private G() { }
public static Group all(IGroupOperation... ops) {
return new Group("all", ops);
}
public static Group each(IGroupOperation... ops) {
return new Group("each", ops);
}
public static GroupOperation group(String expr) {
return new GroupOperation("group", expr);
}
public static GroupOperation maxRtn(int max) {
return new GroupOperation("max", max);
}
public static GroupOperation order(String expr) {
return new GroupOperation("order", expr);
}
public static GroupOperation output(Aggregator... aggrs) {
return new GroupOperation("output", aggrs);
}
public static Aggregator max(int max) {
return new Aggregator("max", max);
}
public static Aggregator summary() {
return new Aggregator("summary");
}
public static Aggregator count() {
return new Aggregator("count");
}
public static Aggregator summary(String summaryClass) {
return new Aggregator("summary", summaryClass);
}
}
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